Nfa A490 over Lower Forked Deer River
Lauderdale County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa A490 over Lower Forked Deer River in Lauderdale County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2021, making it 4 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 92 of the 258 inventoried bridges in Lauderdale County rated good (35.7%); 16 (6.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated December 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (35.78819, -89.73002)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete multiple box beam |
| Length | about 80 ft |
| Location | 1.4MI N of SR19 |
| NBI structure number | 490A0350001 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Lauderdale County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 3 over Cane Creek | 1970 | 18,593 | Fair |
| Fap 3 over Fau 1258 (lake Dr) | 1971 | 15,053 | Fair |
| Fap 3 over SR 19 | 1971 | 15,053 | Fair |
| Fap 3 over North Fork Cane Creek | 1963 | 13,622 | Fair |
| Fap 3 over North Fork Cane Creek | 1963 | 13,622 | Fair |
| Fap 3 over Mill Creek | 1960 | 11,840 | Fair |
All bridges nearby: Lauderdale County, TN bridge conditions · every bridge in Lauderdale County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.